fixing memory corruption bug in dumpR_d
fixing memory corruption bug in dumpR_d

cr-marcstevens/fplll,GottfriedHerold/fplll,GottfriedHerold/fplll,malb/fplll,dstehle/fplll,fplll/fplll,dstehle/fplll,pfasante/fplll,blowfish880/fplll,dstehle/fplll,cr-marcstevens/fplll,blowfish880/fplll,shi-bai/fplll,fplll/fplll,shi-bai/fplll,cr-marcstevens/fplll,malb/fplll,GottfriedHerold/fplll,pfasante/fplll,pfasante/fplll,fplll/fplll,cr-marcstevens/fplll,malb/fplll,blowfish880/fplll,fplll/fplll,gbonnoron/fplll,shi-bai/fplll,gbonnoron/fplll,gbonnoron/fplll,shi-bai/fplll,fplll/fplll